109743 has 8 divisors (see below), whose sum is σ = 147888. Its totient is φ = 72384.

The previous prime is 109741. The next prime is 109751. The reversal of 109743 is 347901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109743 - 2¹ = 109741 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (18486).

2¹⁰⁹⁷⁴³ is an apocalyptic number.

109743 is a deficient number, since it is larger than the sum of its proper divisors (38145).

109743 is a wasteful number, since it uses less digits than its factorization.

109743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 109743 is about 331.2748103916. The cubic root of 109743 is about 47.8768544753.

The spelling of 109743 in words is "one hundred nine thousand, seven hundred forty-three".